Forged chrome vanadium steel sockets with s 2 steel hex stock bits. The sockets are heat treated & chrome plated for resistance to corrosion. Satin/polished finish with knurled ring to assist gripping with greasy fingers. Supplied in composite carry-case. Contents: length 55mm: t 20 t 25, t 27, t 30, t 40, t 45, t 50, t 55, t 60, t 70. Length 100mm: t 20 t 25, t 27, t 30, t 40, t 45, t 50, t 55, t 60, t 70. Length: 140mm. T40, t 45, t 50, t 55, t 60, t 70. Length 200mm: t 40, t 45, t 50, t 55, t 60, t 70..